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Shimodaira K, Inoue R, Hashimoto T, Satake N, Shishido T, Namiki K, Harada K, Nagao T, Ohno Y. Significance of the cribriform morphology area ratio for biochemical recurrence in Gleason score 4 + 4 prostate cancer patients following robot-assisted radical prostatectomy. Cancer Med 2024; 13:e7086. [PMID: 38477506 DOI: 10.1002/cam4.7086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 01/31/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND In prostate cancer, histological cribriform patterns are categorized as Gleason pattern 4, and recent studies have indicated that their size and percentage are associated with the risk of biochemical recurrence (BCR). However, these studies included a mixture of cases with various Gleason scores (GSs). We therefore examined the prognostic value of the area and percentage of cribriform patterns in patients with GS 4 + 4 prostate cancer. METHODS We investigated 108 patients with GS 4 + 4 prostate cancer who underwent robot-assisted radical prostatectomy (RARP). After digitally scanning the hematoxylin and eosin-stained slides, we measured the area of the entire cancer and cribriform patterns. Predictive factors for BCR were explored using log-rank test and Cox proportional hazard model analyses. RESULTS Sixty-seven (62.0%) patients had a cribriform pattern in RARP specimens, and 32 (29.6%) experienced BCR. The median total cancer area, cribriform pattern area, and percentage of cribriform pattern area (% cribriform) were 427.70 mm2 (interquartile range [IQR], 171.65-688.53 mm2 ), 8.85 mm2 (IQR, 0-98.83 mm2 ), and 2.44% (IQR, 0%-33.70%), respectively. Univariate analyses showed that higher preoperative serum prostate-specific antigen (PSA) levels, positive resection margins, advanced pathological T stage, extraprostatic extension, larger total cancer area, larger cribriform morphology area, and higher % cribriform values were significantly associated with BCR. A multivariate analysis demonstrated that the PSA level (hazard ratio [HR], 1.061; 95% confidence interval [CI], 1.011-1.113; p = 0.017) and % cribriform (HR, 1.018; 95% CI, 1.005-1.031; p = 0.005) were independent predictors of BCR. CONCLUSIONS An increased % cribriform value was associated with BCR in patients with GS 4 + 4 prostate cancer following RARP.
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Affiliation(s)
| | - Rie Inoue
- Anatomic Pathology, Tokyo Medical University, Tokyo, Japan
| | | | - Naoya Satake
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | | | - Kazunori Namiki
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | - Kazuharu Harada
- Department of Health Data Science, Tokyo Medical University, Tokyo, Japan
| | | | - Yoshio Ohno
- Department of Urology, Tokyo Medical University, Tokyo, Japan
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Nishizawa D, Morino R, Inoue R, Ohka S, Kasai S, Hasegawa J, Ebata Y, Nakayama K, Sumikura H, Hayashida M, Yokota M, Ikeda K. Genome-Wide Association Study Identifies Novel Candidate Variants Associated with Postoperative Nausea and Vomiting. Cancers (Basel) 2023; 15:4729. [PMID: 37835423 PMCID: PMC10571790 DOI: 10.3390/cancers15194729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/18/2023] [Accepted: 09/19/2023] [Indexed: 10/15/2023] Open
Abstract
Considerable individual differences are widely observed in the incidence of postoperative nausea and vomiting (PONV). We conducted a genome-wide association study (GWAS) to identify potential candidate single-nucleotide polymorphisms (SNPs) that contribute to PONV by utilizing whole-genome genotyping arrays with more than 950,000 markers. The subjects were 806 patients who provided written informed consent and underwent elective surgery under general anesthesia with propofol or desflurane. The GWAS showed that two SNPs, rs2776262 and rs140703637, in the LOC100506403 and CNTN5 gene regions, respectively, were significantly associated with the frequency of nausea. In another GWAS conducted only on patients who received propofol, rs7212072 and rs12444143 SNPs in the SHISA6 and RBFOX1 gene regions, respectively, were significantly associated with the frequency of nausea as well as the rs2776262 SNP, and the rs45574836 and rs1752136 SNPs in the ATP8B3 and LOC105370198 gene regions, respectively, were significantly associated with vomiting. Among these SNPs, clinical and SNP data were available for the rs45574836 SNP in independent subjects who underwent laparoscopic gynecological surgery, and the association was replicated in these subjects. These results indicate that these SNPs could serve as markers that predict the vulnerability to PONV. Our findings may provide valuable information for achieving satisfactory prophylactic treatment for PONV.
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Affiliation(s)
- Daisuke Nishizawa
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
| | - Ryozo Morino
- Division of Anesthesiology, Koujinkai Daiichi Hospital, Tokyo 125-0041, Japan
| | - Rie Inoue
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
- Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine, Tokyo 113-8421, Japan
| | - Seii Ohka
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
| | - Shinya Kasai
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
| | - Junko Hasegawa
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
| | - Yuko Ebata
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
| | - Kyoko Nakayama
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
| | - Hiroyuki Sumikura
- Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine, Tokyo 113-8421, Japan
| | - Masakazu Hayashida
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
- Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine, Tokyo 113-8421, Japan
| | - Miyuki Yokota
- Department of Anesthesiology, Cancer Institute Hospital, Tokyo 135-8550, Japan
- Department of Anesthesiology, East Hokkaido Hospital, Kushiro 085-0036, Japan
| | - Kazutaka Ikeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (D.N.)
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Katsumata S, Hayashi Y, Oishi K, Tsukahara T, Inoue R, Obata A, Hirooka H, Kumagai H. Effects of liquefied sake lees on growth performance and faecal and blood characteristics in Japanese Black calves. Animal 2023; 17:100873. [PMID: 37399705 DOI: 10.1016/j.animal.2023.100873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 05/29/2023] [Accepted: 06/01/2023] [Indexed: 07/05/2023] Open
Abstract
Liquefied sake lees, a by-product of Japanese sake, is rich in Saccharomyces cerevisiae, proteins, and prebiotics derived from rice and yeast. Previous studies have reported that Saccharomyces cerevisiae fermentation products improved the health, growth, and faecal characteristics of preweaning calves. This study investigated the effects of adding liquefied sake lees to milk replacer on the growth performance, faecal characteristics, and blood metabolites of preweaning Japanese Black calves from 6 to 90 days of age. Twenty-four Japanese Black calves at 6 days of age were randomly assigned to one of three treatments: No liquefied sake lees (C, n = 8), 100 g/d (on a fresh matter basis) liquefied sake lees mixed with milk replacer (LS, n = 8), and 200 g/d (on a fresh matter basis) liquefied sake lees mixed with milk replacer (HS, n = 8). The intake of milk replacer and calf starter, as well as, the average daily gain did not differ between the treatments. The number of days counted with faecal score 1 in LS was higher than in HS (P < 0.05), while the number of days with diarrhoea medication in LS and C was lower than HS (P < 0.05). The faecal n-butyric acid concentration tended to be higher in LS compared to C (P = 0.060). The alpha diversity index (Chao1) was higher in HS than in C and LS at 90 days of age (P < 0.05). The principal coordinate analysis (PCoA) using weighted UniFrac distance showed that the bacterial community structures in faeces among the treatments at 90 days of age were significantly different (P < 0.05). The plasma β-hydroxybutyric acid concentration, an indicator of rumen development, was higher for LS than in C throughout the experiment (P < 0.05). These results suggested that adding liquefied sake lees up to 100 g/d (on a fresh matter basis) might promote rumen development in preweaning Japanese Black calves.
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Affiliation(s)
- S Katsumata
- Department of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto 606-8502, Japan; Graduate School of Environmental, Life, Natural Science and Technology, Okayama University, Tsushima-naka, Okayama 700-8530, Japan.
| | - Y Hayashi
- Shiga Prefectural Livestock Production Technology Promotion Center, Hino, Shiga 529-1651, Japan
| | - K Oishi
- Department of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - T Tsukahara
- Kyoto Institute of Nutrition and Pathology, Ujitawara, Kyoto 610-0231, Japan
| | - R Inoue
- Department of Applied Biological Sciences, Faculty of Agriculture, Setsunan University, Hirakata, Osaka 573-0101, Japan
| | - A Obata
- Shiga Prefectural Livestock Production Technology Promotion Center, Hino, Shiga 529-1651, Japan
| | - H Hirooka
- Department of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - H Kumagai
- Department of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto 606-8502, Japan
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Okahara S, Inoue R, Katakura Y, Nagao H, Yamamoto S, Nojiri S, Takeda J, Itakura A, Sumikura H. Comparison of the incidence of fetal prolonged deceleration after induction of labor analgesia between dural puncture epidural and combined spinal epidural technique: a pilot study. BMC Pregnancy Childbirth 2023; 23:182. [PMID: 36927405 PMCID: PMC10018578 DOI: 10.1186/s12884-023-05473-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 02/27/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND Abnormal cardiotocogram (CTG) tracing may appear after induction of neuraxial labor analgesia. Non-reassuring fetal status (NRFS) indicated by severely abnormal tracings, such as prolonged deceleration (PD) or bradycardia, can necessitate immediate operative delivery. Combined spinal epidural analgesia (CSEA) is known to result in more frequent abnormal tracings than epidural analgesia (EA); however, the corresponding data related to dural puncture epidural (DPE) are unclear. We aimed to evaluate the rates of incidence of severe abnormal CTG after induction of DPE and CSEA. METHODS In this study of nulliparous women with full-term pregnancy, data for the DPE intervention group were prospectively collected, while those for the CSEA control group were obtained from medical records. Neuraxial analgesia was performed with cervical dilation ≤ 5 cm, administering initial epidural dosing of 15 mL of 0.125% levobupivacaine with fentanyl 2.5µg/mL for DPE, and intrathecal 0.5% bupivacaine 2.5 mg (0.5ml), fentanyl 10 µg (0.2ml), and 1.3 mL of saline for CSEA. The primary outcome was the incidence of PD, defined as a fetal heart rate reduction ≥ 15 bpm below the baseline and with a lowest value < 80 bpm, and lasting for ≥ 2 min but < 10 min (fetal heart rate < 80 bpm does not have to last for ≥ 2 min), within 90 min after induction of neuraxial labor analgesia. RESULTS A total of 302 patients were analyzed, with 151 in each group. The incidence of PD after DPE induction was significantly lower than that after CSEA induction (4.0% vs. 14.6%, P = 0.0015, odds ratio = 0.243, 95% confidence interval = 0.095-0.617). CONCLUSION DPE appears to be a safer method compared to CSEA for neuraxial labor analgesia in the early stages of labor for nulliparous women. TRIAL REGISTRATION UMIN-CTR: UMIN000035153 . Date registered: 01/01/2019.
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Affiliation(s)
- Shoko Okahara
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Rie Inoue
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Yumi Katakura
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Hitomi Nagao
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Saori Yamamoto
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Shuko Nojiri
- Clinical Research Support Center, Juntendo University, 2-1-1 Hongo Bunkyo-ku Tokyo, 113-8421, Tokyo, Japan
| | - Jun Takeda
- Department of Obstetrics and Gynecology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Atsuo Itakura
- Department of Obstetrics and Gynecology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan
| | - Hiroyuki Sumikura
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku Tokyo, 113-8431, Tokyo, Japan.
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Inoue R, Yajima N, Matsui T, Tohma S. POS0614 THE RELATIONSHIP BETWEEN DISEASE ACTIVITY AND FINANCIAL TOXICITY IN PATIENTS WITH RHEUMATOID ARTHRITIS ON BIOLOGICS: A CROSS-SECTIONAL STUDY USING THE JAPANESE RHEUMATOID ARTHRITIS REGISTRY. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.3434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundAs the number of rheumatoid arthritis (RA) patients using biologics increases, the health financial issues posed by biologics become more important. The health financial issues posed by biologics have been discussed using health economic indicators such as incremental cost-effectiveness ratios (ICERs), but have not been evaluated using the financial burden of medical expenses (financial toxicity). In the field of malignancies, evaluations using financial burden have been conducted and have shown that the stage of malignancy is associated with financial toxicity. It is not known whether disease activity and financial toxicity are similarly associated in RA patients.ObjectivesThis study aims to evaluate the relationship between RA activity and financial toxicity in RA patients using biologics, who are especially likely to feel the financial burdens.MethodsWe conducted a cross-sectional study of biologic users enrolled in NinJa2020, a database of rheumatoid arthritis patients in Japan collected from April 1, 2020 to March 31, 2021. We defined the users of TNF inhibitor, IL-6 receptor antagonists, T-cell costimulation blocker, Janus kinase inhibitor and biosimilar as biologic users. The main exposure was the disease activity of RA and was measured using DAS28-CRP. Outcome measure was a financial toxicity and was measured using COmprehensive Score for financial Toxicity (COST). This scale is a patient-reported outcome measure (PROM) consisting of 11 items. The responses are recorded on 5-point Likert Scales (ranging from 0 = strongly disagree to 4 = strongly agree). The score by domains ranges from 0 to 44. Higher scores indicated better results and lower financial toxicity. Multiple linear regression models adjusted for age, sex, disease duration, co-payments for anti-rheumatic drugs, work status, financial support systems were conducted to assess the relationship between the disease activity of RA and financial toxicity. As a secondary analysis, we excluded patients with zero copayments and performed the same analysis as in the main analysis. We used multiple imputation to deal with missing values.ResultsAmong 15553 cases in the NinJa database, 649 cases for which RA disease activity and COST were available were included. The median age of the patients was 70 (interquartile range [IQR],56 -77), 83.7% were female. The median copayment amount was ¥12978 per month (IQR 637.2 to 24204.1). The median DAS28-CRP was 1.99 (IQR, 1. - 2.72). The median financial toxicity (COST score) was 21 (IQR 0-27) (Figure 1). In the main analysis using multiple linear regression, COST significantly decreased with disease activity of RA (per 1-pt DAS28-CRP, -1.16 [95% CI -2.04 - -0.28]). In the secondary analysis, COST significantly decreased with disease activity of RA (per 1-pt DAS28-CRP, -1.69 [95% CI -2.29 - -1.10]). Statistical significance was defined as a two-sided p-value < 0.05. All statistical analyses were conducted using STATA 17.0 (Stata Corp LP, College Station, TX). The National Hospital Organization’s research ethics committees evaluated and authorized the NinJa study.ConclusionHigh disease activity of RA was associated with high financial toxicity in biologic users. We reaffirmed the importance of financial considerations and empathy for RA patients using biologics, and suggested a potential demand for more financial support for RA patients who are refractory to treatment.Disclosure of InterestsNone declared
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Ishizumi T, Kataba H, Nakajima E, Ito T, Inoue R, Ikeda N. [Long-term Survival Giant Cell Carcinoma of the Lung with Chest Wall Invasion by Multidisciplinary Therapy:Report of a Case]. Kyobu Geka 2022; 75:76-79. [PMID: 35249080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Giant cell carcinoma of the lung is a rare tumor with poor prognosis. A 70-year-old male was referred to our hospital because of chest pain and abnormal shadow on the chest X-ray. He had a lung tumor invading the chest wall. The tumor was surgically removed, and since the diagnosis of giant cell carcinoma with p-N2 was obtained pathologically, adjuvant chemotherapy was performed. However, the local recurrence was found at eight months after surgery and was treated with radiotherapy( total 70 Gy/28 Fr). The patient has been well for over 10 years with no clinically evident recurrence after treatment.
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Affiliation(s)
- Taichiro Ishizumi
- Department of Thoracic Surgery, Toda Chuo General Hospital, Toda, Japan
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Ogawa C, Inoue R, Yonejima Y, Hisa K, Yamamoto Y, Suzuki T. Supplemental Leuconostoc mesenteroides strain NTM048 attenuates imiquimod-induced psoriasis in mice. J Appl Microbiol 2021; 131:3043-3055. [PMID: 34028144 DOI: 10.1111/jam.15161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/05/2021] [Accepted: 05/19/2021] [Indexed: 12/12/2022]
Abstract
AIMS Psoriasis, a chronic inflammatory skin disease, is associated with altered intestinal microbiota. Here, we investigated the ameliorative effect of Leuconostoc mesenteroides NTM048 strain in imiquimod (IMQ)-induced psoriasis in mice. METHODS AND RESULTS Mice were administered NTM048 for 21 days alongside the topical application of IMQ on the dorsal skin for 6 consecutive days. IMQ induced psoriatic symptoms such as erythema and scaling and also upregulated interleukin (IL)-17, a key effector cytokine of psoriasis, in the skin. Supplemental NTM048 suppressed these abnormalities, increased the levels of plasma deoxycholic acid (DCA), a secondary bile acid and altered the faecal microbiota composition, as indicated by the increased abundance of Akkermansia and decreased abundance of Staphylococcus and Streptococcus. Notably, DCA treatment of murine splenocytes reduced IL-17 production. CONCLUSIONS The NTM048-mediated reduction of psoriasis was shown to involve the downregulation of IL-17 in mouse skin, which was possibly associated with the plasma DCA derived from intestinal microbiota. SIGNIFICANCE AND IMPACT OF THE STUDY Our findings propose not only a novel approach for psoriasis reduction but also a crosstalk between the skin and intestine in psoriasis.
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Affiliation(s)
- C Ogawa
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
| | - R Inoue
- Faculty of Agriculture, Setsunan University, Hirakata, Japan
| | | | | | - Y Yamamoto
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
| | - T Suzuki
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan.,Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Japan
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Kimura J, Kawamura K, Minoura M, Hiramoto A, Suga Y, Okahara S, Inoue R, Sumikura H. Formulating an anesthetic plan using a list of high-risk pregnant women on cloud-based business communication tools: a case report. JA Clin Rep 2021; 7:26. [PMID: 33751274 PMCID: PMC7985220 DOI: 10.1186/s40981-021-00430-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 12/02/2022] Open
Abstract
Background We report a case in which a list of high-risk pregnant women on cloud-based business communication tools was useful in formulating an anesthetic plan for unscheduled cesarean section. Case presentation A 37-year-old woman, who had been prescribed icosapentate for hypertriglyceridemia, received an antenatal anesthetic evaluation for possible cesarean delivery, and it was agreed that the anesthetic method for emergency cesarean section was general anesthesia if the surgery would take place within 7 days after the discontinuation of the drug, and regional anesthesia if it would take place any time later. Then this agreement was uploaded on the cloud-based business communication tools, and updated until she delivered her baby via unscheduled cesarean section. Conclusions A cloud-based business communication tools was useful in formulating an anesthesia plan for a patient undergoing a cesarean delivery. However, more discussion would be needed to utilize it in security.
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Affiliation(s)
- Junnosuke Kimura
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Kento Kawamura
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Manami Minoura
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Ayako Hiramoto
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Yoshifumi Suga
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Shoko Okahara
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Rie Inoue
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Hiroyuki Sumikura
- Department of Anesthesiology, Juntendo University Hospital, 3-1-3 Hongo Bunkyo-ku, Tokyo, 113-8431, Japan.
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Hikida Y, Sumikura H, Okada H, Fujino T, Tanaka M, Sakai Y, Okahara S, Inoue R. The value of the portable fibrinogen measuring device-a case report of severe postpartum hemorrhage with obstetric disseminated intravascular coagulation. JA Clin Rep 2021; 7:23. [PMID: 33687590 PMCID: PMC7943675 DOI: 10.1186/s40981-021-00426-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/28/2021] [Accepted: 03/02/2021] [Indexed: 11/23/2022] Open
Abstract
Background Fibrinogen concentration is an important indicator of the treatment for obstetric disseminated intravascular coagulation (DIC). We present how using the fibrinogen measuring device could solve problems in the treatment of postpartum hemorrhage with complicated DIC. Case presentation A 32-year-old woman with monochorionic diamniotic twins at 22 weeks of pregnancy was diagnosed with placental abruption and underwent emergent cesarean section. The estimated blood loss was 8375 g. She was transferred to our hospital for further treatment. Compressive uterine sutures and balloon tamponade were performed. We transfused fibrinogen and fresh frozen plasma actively during the operation to maintain plasma fibrinogen above 200 mg/dL by using a point-of-care fibrinogen measuring device. In spite of massive hemorrhage exceeding 10 L, she was extubated at the end of the operation and discharged on the 7th day after the operation. Conclusion The portable fibrinogen measuring device was useful for point-of-care assessment of obstetric DIC. Supplementary Information The online version contains supplementary material available at 10.1186/s40981-021-00426-y.
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Affiliation(s)
- Yoko Hikida
- Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Hiroyuki Sumikura
- Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Hisako Okada
- Department of Anesthesiology and Pain Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan.
| | - Takashi Fujino
- Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Mayumi Tanaka
- Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Yu Sakai
- Department of Anesthesiology, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, 236-0004, Japan
| | - Shoko Okahara
- Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Rie Inoue
- Department of Anesthesiology and Pain Medicine, Juntendo University Faculty of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
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Inoue R, Nishizawa D, Hasegawa J, Nakayama K, Fukuda KI, Ichinohe T, Mieda T, Tsujita M, Nakagawa H, Kitamura A, Sumikura H, Ikeda K, Hayashida M. Effects of rs958804 and rs7858836 single-nucleotide polymorphisms of the ASTN2 gene on pain-related phenotypes in patients who underwent laparoscopic colectomy and mandibular sagittal split ramus osteotomy. Neuropsychopharmacol Rep 2021; 41:82-90. [PMID: 33476460 PMCID: PMC8182957 DOI: 10.1002/npr2.12159] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 01/10/2023] Open
Abstract
Background Opioids are widely used as effective analgesics, but opioid sensitivity varies widely among individuals. The underlying genetic and nongenetic factors are not fully understood. Based on the results of our previous genome‐wide association study, we investigated the effects of single nucleotide polymorphisms (SNPs) of the astrotactin 2 (ASTN2) gene on pain‐related phenotypes in surgical patients. Methods We investigated the effects of two SNPs, rs958804 T/C and rs7858836 C/T, of the ASTN2 gene on eight and seven pain‐related phenotypes in 350 patients who underwent laparoscopic colectomy (LAC) and 358 patients who underwent mandibular sagittal split ramus osteotomy (SSRO), respectively. In both surgical groups, intravenous fentanyl patient‐controlled analgesia (PCA) was used for postoperative analgesia, and 24‐hour postoperative PCA fentanyl use was the primary endpoint. Results The association analyses among the two SNPs and pain‐related traits showed that 24‐hour fentanyl use was significantly associated with the two SNP genotypes in both surgical groups. The Mann‐Whitney test showed that 24‐hour fentanyl use was lower in patients with the C allele than in patients with the TT genotype of the rs958804 T/C SNP (P = .0019 and .0200 in LAC and SSRO patients, respectively), and it was lower in patients with the T allele than in patients with the CC genotype of the rs7858836 C/T SNP (P = .0017 and .0098 in LAC and SSRO patients, respectively). Conclusion The two SNPs of the ASTN2 gene were consistently associated with fentanyl requirements after two different types of surgery. These findings may contribute to personalized pain control. We investigated the effects of two SNPs, rs958804 T/C and rs7858836 C/T, which are located in the same LD block of the ASTN2 gene, on pain‐related phenotypes in two groups of patients who underwent laparoscopic colectomy and mandibular sagittal split ramus osteotomy. We found that these SNPs consistently reduced fentanyl requirements for postoperative analgesia, possibly by enhancing the analgesic effect of fentanyl.![]()
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Affiliation(s)
- Rie Inoue
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Daisuke Nishizawa
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Junko Hasegawa
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kyoko Nakayama
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Ken-Ichi Fukuda
- Department of Oral Health and Clinical Science, Tokyo Dental College, Tokyo, Japan
| | - Tatsuya Ichinohe
- Department of Dental Anesthesiology, Tokyo Dental College, Tokyo, Japan
| | - Tsutomu Mieda
- Department of Anesthesiology, Saitama Medical University Hospital, Saitama, Japan
| | - Miki Tsujita
- Department of Anesthesiology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Hideyuki Nakagawa
- Department of Anesthesiology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Akira Kitamura
- Department of Anesthesiology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Hiroyuki Sumikura
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kazutaka Ikeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Masakazu Hayashida
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.,Department of Anesthesiology, Saitama Medical University International Medical Center, Saitama, Japan
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11
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Nakayama M, Inoue R. Electronic phenotyping of heart failure from a national clinical information database. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
A database of clinical information collected from several medical institutions, including national university hospitals and private hospital groups, and the medical information database network, MID-NET, have been available to the public in Japan since 2018. To analyse clinical events, i.e., to perform electronic phenotyping, it is important to extract data from clinical information correctly, combine multiple pieces of information, and define the target disease. Herein, we investigated a study to find patients with heart failure and validated our findings using MID-NET data.
Methods
A criterion to describe heart failure cases was determined according to clinical guidelines released by the Japanese Circulation Society. The data studied were based on records from April 1–December 31, 2013. The initial rule was based on disease names, examinations, and medications pertaining to heart failure. We extracted and analysed clinical data from MID-NET and found patients with heart failure. Two doctors, including a cardiologist, reviewed the medical records and verified the legitimacy of the cases, following which we calculated precision and recall rates. Next, we examined a method to identify factors to extract true cases correctly using machine learning with XGBoost in R.
Results
A total of 5,282 cases extracted via disease names were related to heart failure. Of these, 2,799 cases corresponding to the initial rule were retrieved, and 200 cases were randomly sampled and assessed. A total of 70 cases were found to be true. Thus, a precision rate of 0.350 and a recall rate of 0.912 were determined. A machine learning method revealed the correlation of heart failure with several factors, including the serum b-type natriuretic peptide (BNP) value, link between commencement date of the disease and actual hospitalization date, and medications for the treatment of heart failure. Using this data, we could determine the conditions contributing to improving the validity of the cases with heart failure. In this manner, patient cases were extracted using the disease name as it is related to heart failure and hospitalisation within two weeks after the commencement date of the disease. Furthermore, the candidates were categorised into three groups according to serum BNP values (high, middle, and low ranges). The high group was labelled “heart failure”, and the low group was excluded. In the middle group, candidates were additionally categorised according to their prescribed medication for heart failure. Our analysis indicated that the precision rate increased to 0.878 while the recall rate decreased to 0.697. The F-measure also increased from 0.506 to 0.777.
Conclusions
To find target cases from a large clinical database, precise electronic phenotyping is required. A machine learning method can enable accurate identification of patients with heart failure. Leveraging large amounts of clinical data may be beneficial for medical research progress.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Japan Agency for Medical Research and Development
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Affiliation(s)
- M Nakayama
- Tohoku University Graduate School of Medicine, Medical Informatics, Sendai, Japan
| | - R Inoue
- Tohoku University Graduate School of Medicine, Medical Informatics, Sendai, Japan
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12
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Moriyama M, Yoshizawa S, Fujimoto H, Akahane D, Suguro T, Yamada A, Machida M, Inoue R, Morishima Y, Gotoh A. [Persistent malnutrition caused by Nihonkaiense diphyllobothriasis diagnosed during treatment of malignant lymphoma]. Rinsho Ketsueki 2020; 61:750-752. [PMID: 32759561 DOI: 10.11406/rinketsu.61.750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A 72-year-old man with ileocecal lymphadenopathy was found to have Epstein-Barr virus-positive diffuse large B-cell lymphoma using open biopsy, and an ileostoma was created. R-CHOP-like chemotherapy was initiated, but his malnutrition did not improve. After 3 cycles of chemotherapy, a 2-m-long Cestoda was removed from the stoma and was identified as Diphyllobothrium nihonkaiense using mitochondria cytochrome c oxidase subunit 1 targeted polymerase chain reaction analysis. Although D. nihonkaiense infections are asymptomatic, the ileostomy was thought to have exacerbated the malabsorption in this patient. Parasitic infections are rare; however, they should be added to the differential diagnosis of malnutrition of unknown cause during chemotherapy for hematological malignancies.
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Affiliation(s)
| | | | | | | | | | - Akiko Yamada
- Department of Hematology, Tokyo Medical University
| | | | - Rie Inoue
- Department of Pathology, Tokyo Medical University
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13
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Inoue R, Mazda Y, Tanaka H, Tanaka K, Yoshimatsu J, Tamura K, Terui K. Management of pregnancy and delivery in women with Kawasaki disease and residual coronary artery lesion with detailed analysis of labor analgesia: combined experience of 13 cases in two institutions. JA Clin Rep 2020; 6:67. [PMID: 32895877 PMCID: PMC7477027 DOI: 10.1186/s40981-020-00375-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 08/28/2020] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION Approximately half of Kawasaki disease patients are expected to have transitioned to adulthood, and an increasing number of patients with cardiovascular sequelae have gotten pregnant. Management of women with Kawasaki disease who have residual coronary artery disease is poorly established. Thus, we conducted detailed analysis of these cases. METHODS We reviewed 19 pregnancies in 13 such women in two tertiary perinatal facilities, Saitama Medical Center and National Cardiovascular Center. The medical records were reviewed in all women with Kawasaki disease and coronary artery lesion between 1998 and 2015, with regard to age of diagnosis, types of coronary artery lesion, location, previous treatment, pregnancy course and medical management for coronary lesion, cardiac function, and planned mode of delivery. RESULTS Fourteen parturients attempted vaginal delivery, and all but one received neuraxial analgesia, providing stable hemodynamics. Four elective and two emergency cesarean deliveries were performed due to obstetric indications, while one woman required cesarean delivery at preterm due to maternal cardiac indication. Among 14 attempted vaginal deliveries, instrumental vaginal delivery was performed in 50%. Cardiac events were noted in four women, all in post-partum period, such as non-sustained ventricular tachycardia or chest discomfort without ECG changes. Antithrombotic medication was exclusively low dose aspirin in 11 of 19 pregnancies (58%), and none received anticoagulation during pregnancy or delivery. CONCLUSION Our case series support the practice of preferred vaginal delivery, with neuraxial labor analgesia in indicated patients, while highlighting the need for vigilance in the post-partum period.
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Affiliation(s)
- Rie Inoue
- Department of Anesthesiology and Pain Medicine, Juntendo University, 3-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan.
| | - Yusuke Mazda
- Department of Anesthesia and Pain Management, Mount Sinai Hospital, University of Toronto, Toronto, Canada
| | - Hiroaki Tanaka
- Department of Obstetrics and Gynecology, Mie University Faculty of Medicine, Tokyo, Mie, Japan
| | - Kayo Tanaka
- Department of Obstetrics and Gynecology, Mie University Faculty of Medicine, Tokyo, Mie, Japan
| | - Jun Yoshimatsu
- Department of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazumi Tamura
- Division of Obstetric Anesthesia, Department of Anesthesiology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Katsuo Terui
- Division of Obstetric Anesthesia, Department of Anesthesiology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
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14
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Furuki S, Sano H, Kurioka T, Ogiwara A, Nakagawa T, Inoue R, Umehara S, Hara Y, Suzuki K, Yamashita T. Comparison of real-ear insertion gains in Japanese-speaking individuals wearing hearing aids with DSLv5 and NAL-NL2. Auris Nasus Larynx 2020; 48:75-81. [PMID: 32747167 DOI: 10.1016/j.anl.2020.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 07/07/2020] [Accepted: 07/13/2020] [Indexed: 11/24/2022]
Abstract
OBJECTIVE We used real-ear insertion gain (REIG), with the international speech test signal (ISTS), to evaluate the amplifying characteristics of hearing aids, set for patients who have been wearing such aids for a long time in a stable manner. We further compared this to the target values of the DSLv5 and NAL-NL2 methods. METHODS The subjects were adults with moderate sensorineural hearing loss. We examined 40 ears in 25 individuals (15 people wearing hearing aids in both ears and ten people wearing aid in only one ear). Fit assessments were performed based on the speech performance-intensity functions and tolerance of environmental noise, and the ears studied were categorized as either ears with sufficient benefit or ears with insufficient benefit. Additionally, we evaluated the REIG for international speech test signals at 65-dB and 80-dB sound pressure level (SPL). We compared the REIG and target values for voice input at 65-dB and 80-dB SPL, calculated from the DSLv5 and NAL-NL2 methods. RESULTS Among the 40 ears, 34 received sufficient benefit and six received an insufficient benefit from hearing aids. The REIG for ISTS at 65-dB in the sufficient benefit ears, at frequencies of 1,000 Hz and 2,000 Hz, were similar to the target values of NAL-NL2 and DSLv5 but were significantly lower at 250 Hz, 500 Hz, and 4,000 Hz frequencies. The compression ratio of REIG for sufficient benefit ears was similar to that of DSLv5. The REIG for ISTS at 65-dB in the insufficient benefit ears was smaller than that in the sufficient benefit ears at frequencies of 2,000 Hz and 4,000 Hz. CONCLUSION This study suggested that the target values of NAL-NL2 and DSLv5 are appropriate, even for Japanese-speaking individuals, at mid-pitch sounds. Although it is necessary to investigate the necessity for low-pitch and high-pitch gains further in the future, this study provides meaningful data regarding the amplifying characteristics in Japanese-speaking individuals who have been wearing hearing aids in a stable manner.
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Affiliation(s)
- Shogo Furuki
- Department of Otorhinolaryngology Head and Neck Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan.
| | - Hajime Sano
- School of Allied Health Science Kitasato University, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
| | - Takaomi Kurioka
- Department of Otorhinolaryngology Head and Neck Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
| | - Atsuko Ogiwara
- Department of Otolaryngology Machida Municipal Hospital, 2-15-41 Asahimachi, Machida, Tokyo 194-0023, Japan
| | - Takahito Nakagawa
- Department of Otolaryngology Machida Municipal Hospital, 2-15-41 Asahimachi, Machida, Tokyo 194-0023, Japan
| | - Rie Inoue
- Department of Rehabilitation Kitasato University Hospital, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
| | - Sachie Umehara
- Department of Rehabilitation Kitasato University Hospital, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
| | - Yuki Hara
- School of Allied Health Science Kitasato University, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
| | - Keiko Suzuki
- School of Allied Health Science Kitasato University, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
| | - Taku Yamashita
- Department of Otorhinolaryngology Head and Neck Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0375, Japan
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15
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Hashimoto T, Nakashima J, Inoue R, Komori O, Yamaguchi Y, Kashima T, Satake N, Nakagami Y, Namiki K, Nagao T, Ohno Y. The significance of micro-lymphatic invasion and pathological Gleason score in prostate cancer patients with pathologically organ-confined disease and negative surgical margins after robot-assisted radical prostatectomy. Int J Clin Oncol 2019; 25:377-383. [PMID: 31673831 DOI: 10.1007/s10147-019-01561-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 10/06/2019] [Indexed: 12/01/2022]
Abstract
BACKGROUND The development process of recurrence in prostate cancer patients with pathologically organ-confined (pT2) disease and negative surgical margins is unclear. The aim of the present study was to determine factors associated with the development of biochemical recurrence following robot-assisted radical prostatectomy among those prostate cancer patients. METHODS We retrospectively reviewed the data of patients who underwent robot-assisted radical prostatectomy without neoadjuvant endocrine therapy. We evaluated prognostic factors in 1096 prostate cancer patients with pT2 disease and negative surgical margins. Univariate and multivariate Cox proportional hazards regression analyses were used to identify independent predictors for biochemical recurrence. RESULTS Of the 1096 patients, 55 experienced biochemical recurrence during the follow-up period. The 5-year biochemical recurrence-free survival rate for patients with pT2 and negative surgical margins was 91.8%. On univariate analysis, clinical stage, biopsy Gleason score, percent of positive core, pathological Gleason score, and the presence of micro-lymphatic invasion were significantly associated with biochemical recurrence. On a multivariate analysis, the presence of micro-lymphatic invasion and a pathological Gleason score ≥ 4 + 3 were significant prognostic factors for biochemical recurrence. Based on these factors, we developed a risk stratification model. The biochemical recurrence-free survival rate differed significantly among the risk groups. CONCLUSIONS The prognosis of prostate cancer patients with pT2 disease and negative surgical margins is favorable. However, patients with the presence of micro-lymphatic invasion and a pathological Gleason score ≥ 4 + 3 tend to experience biochemical recurrence more often after surgery. Therefore, careful follow-up might be necessary for those patients.
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Affiliation(s)
- Takeshi Hashimoto
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
| | - Jun Nakashima
- Department of Urology, Sanno Hospital, Tokyo, Japan.,Clinical Medicine Research Center, International University of Health and Welfare, Tokyo, Japan
| | - Rie Inoue
- Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan
| | - Osamu Komori
- Department of Computer and Information Science, Seikei University, Tokyo, Japan.,School of Statistical Thinking, The Institute of Statistical Mathematics, Tachikawa, Tokyo, Japan
| | - Yuri Yamaguchi
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Takeshi Kashima
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Naoya Satake
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yoshihiro Nakagami
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Kazunori Namiki
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Toshitaka Nagao
- Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan
| | - Yoshio Ohno
- Department of Urology, Tokyo Medical University, 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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Kumagai A, Makino S, Takeda J, Hirai C, Inoue R, Sumikura H, Itakura A, Takeda S. Characteristics of labor-onset hypertension persist after neuraxial labor analgesia. J Obstet Gynaecol Res 2019; 46:104-109. [PMID: 31621113 DOI: 10.1111/jog.14140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 09/25/2019] [Indexed: 11/29/2022]
Abstract
AIM This study aimed to investigate the rate of labor-onset hypertension (LOH) under neuraxial labor analgesia and the effect of neuraxial labor analgesia on LOH. METHODS A retrospective study was conducted in a tertiary university hospital from 2015 to 2016. Patients who were admitted to the hospital for vaginal delivery under combined spinal and epidural anesthesia were selected. LOH was defined as the elevation of systolic blood pressure (BP) to ≥140 mmHg or diastolic BP to ≥90 mmHg for the first time after the onset of labor. Cases of LOH that persisted after neuraxial labor analgesia (prolonged LOH) were further analyzed to determine the hypertension severity and therapeutic intervention rate. RESULTS Among 775 patients, 213 (28.4%) developed LOH. Prolonged LOH was observed in 30 patients (3.9%). LOH severity and the likelihood of prolonged LOH were positively correlated. Therapeutic intervention was administered only to the patients with prolonged LOH, that is, to 100% of those with emergent hypertension, to 21.1% of those with severe hypertension during labor, and to 36.8% of those with severe hypertension, to 55.6% of those with mild hypertension in the post-partum period. CONCLUSION The rate of LOH was reduced significantly after neuraxial labor analgesia. Patients with prolonged LOH should be carefully followed up during labor and in the post-partum period because such patients often require antihypertensive therapy.
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Affiliation(s)
- Asako Kumagai
- Department of Obstetrics and Gynecology, Juntendo University, Tokyo, Japan
| | - Shintaro Makino
- Department of Obstetrics and Gynecology, Juntendo University, Tokyo, Japan
| | - Jun Takeda
- Department of Obstetrics and Gynecology, Juntendo University, Tokyo, Japan
| | - Chihiro Hirai
- Department of Obstetrics and Gynecology, Juntendo University, Tokyo, Japan
| | - Rie Inoue
- Department of Anesthesiology, Juntendo University, Tokyo, Japan
| | | | - Atsuo Itakura
- Department of Obstetrics and Gynecology, Juntendo University, Tokyo, Japan
| | - Satoru Takeda
- Department of Obstetrics and Gynecology, Juntendo University, Tokyo, Japan
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Kamoda N, Ohori M, Hirasawa Y, Inoue R, Hashimoto T, Satake N, Gondo T, Nakagami Y, Nagao T, Ohno Y. Prognostic significance of the presence of tertiary Gleason grade 5 in robot-assisted radical prostatectomy specimens in Japanese patients with clinically localized prostate cancer. Jpn J Clin Oncol 2019; 49:276-280. [PMID: 30649377 DOI: 10.1093/jjco/hyy194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 02/12/2018] [Accepted: 12/07/2018] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The aim of this study was to study the prognostic significance of tertiary Gleason grade (TGG) 5 in patients with clinically localized prostate cancer treated with robot-assisted radical prostatectomy (RARP). METHODS A total of 600 Japanese patients who underwent RARP for clinical stage T1-3N0M0 prostate cancer were evaluated. TGG5 was evaluated according to the International Society of Urological Pathology criterion. Cox hazard regression was used to evaluate the prognostic significance of prostate-specific antigen and pathological features in RARP specimens. RESULTS Of the 600 RARP specimens, 92 (15%) had TGG5. TGG5 component was found in 30 (10%) of 287 cases with Gleason score (GS) 3 + 4, 55 (37%) of 149 cases with GS 4 + 3 and 7 (17%) of 40 cases with GS 4 + 4. There were no significant differences in pathological stage and surgical margin status between GS 3 + 4 with and without TGG5, as well as between GS 4 + 4 with and without TGG5. Of the 600 patients, 92 (15%) patients had biochemical recurrence (BCR) after surgery, with a median follow-up period of 42 (3-104) months. There were no differences in 5-year BCR-free survival rates between patients with GS 3 + 4 with and without TGG5 (92 vs. 100%, P = 0.16), as well as between patients with GS 4 + 3 with and without TGG5 (79 vs. 71%, P = 0.30). Similarly, there were no differences in 3-year BCRFS rates between patients with GS 4 + 4 with and without TGG5 (80 vs. 71%, P = 0.38). CONCLUSIONS In our population, the presence of TGG5 in RARP specimens had no strong impact on pathological and prognostic outcomes.
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Affiliation(s)
- Naohiro Kamoda
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | - Makoto Ohori
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | - Yosuke Hirasawa
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | - Rie Inoue
- Anatomic Pathology, Tokyo Medical University, Tokyo, Japan
| | | | - Naoya Satake
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | - Tatsuo Gondo
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | | | | | - Yoshio Ohno
- Department of Urology, Tokyo Medical University, Tokyo, Japan
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Renault O, Martinez E, Zborowski C, Mann J, Inoue R, Newman J, Watanabe K. Analysis of buried interfaces in multilayer device structures with hard XPS (HAXPES) using a CrKα source. SURF INTERFACE ANAL 2018. [DOI: 10.1002/sia.6451] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- O. Renault
- Université Grenoble Alpes; CEA, LETI; 38000 Grenoble France
| | - E. Martinez
- Université Grenoble Alpes; CEA, LETI; 38000 Grenoble France
| | - C. Zborowski
- Université Grenoble Alpes; CEA, LETI; 38000 Grenoble France
- Department of Physics, Chemistry and Pharmacy; University of Southern Denmark; Odense M Denmark
| | - J. Mann
- Physical Electronics; 18725 Lake Drive Chanhassen MN 55317 USA
| | - R. Inoue
- ULVAC-PHI, Inc; 2500 Hagisono Chigasaki Kanagawa 253-8522 Japan
| | - J. Newman
- Physical Electronics; 18725 Lake Drive Chanhassen MN 55317 USA
| | - K. Watanabe
- ULVAC-PHI, Inc; 2500 Hagisono Chigasaki Kanagawa 253-8522 Japan
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Inoue R, Sumikura H, Kumagai A, Kato N, Makino S, Itakura A. Successful management of obstetric disseminated intravascular coagulation using a portable fibrinogen-measuring device. J Obstet Gynaecol Res 2018; 44:788-791. [DOI: 10.1111/jog.13583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Accepted: 12/18/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Rie Inoue
- Department of Anesthesia and Pain Medicine; Juntendo University; Tokyo Japan
| | - Hiroyuki Sumikura
- Department of Anesthesia and Pain Medicine; Juntendo University; Tokyo Japan
| | - Asako Kumagai
- Department of Obstetrics and Gynecology; Juntendo University; Tokyo Japan
| | - Noriko Kato
- Department of Obstetrics and Gynecology; Juntendo University; Tokyo Japan
| | - Shintaro Makino
- Department of Obstetrics and Gynecology; Juntendo University; Tokyo Japan
| | - Atsuo Itakura
- Department of Obstetrics and Gynecology; Juntendo University; Tokyo Japan
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20
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Ushio M, Sumitani M, Abe H, Mietani K, Hozumi J, Inoue R, Shinokawa M, Ushida T, Yamada Y. Abstract PR339. Anesth Analg 2016. [DOI: 10.1213/01.ane.0000492734.32162.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Tsutsumi H, Kusakawa S, Sawada R, Urano K, Mizushima T, Nishinaka E, Inoue R, Yasuda S, Sato Y. Comparison of human cell engraftment and differentiation abilities among strains of immunodeficient mice with different genetic backgrounds. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.1042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Kawai Y, Osawa T, Kobayashi K, Inoue R, Yamamoto Y, Matsumoto H, Nagao K, Hara T, Sakano S, Nagamori S, Matsuyama H. Factors Prognostic for Survival in Japanese Patients Treated with Sunitinib as First-line Therapy for Metastatic Clear Cell Renal Cell Cancer. Asian Pac J Cancer Prev 2015; 16:5687-90. [DOI: 10.7314/apjcp.2015.16.14.5687] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Hashimoto T, Yoshioka K, Horiguchi Y, Inoue R, Yoshio O, Nakashima J, Tachibana M. Clinical effect of a positive surgical margin without extraprostatic extension after robot-assisted radical prostatectomy. Urol Oncol 2015; 33:503.e1-6. [PMID: 26277617 DOI: 10.1016/j.urolonc.2015.07.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 06/28/2015] [Accepted: 07/11/2015] [Indexed: 12/12/2022]
Abstract
OBJECTIVES The aim of this study was to investigate the effect of positive surgical margin (PSM) without extraprostatic extension after robot-assisted radical prostatectomy (RARP). MATERIALS AND METHODS We retrospectively reviewed 837 patients who underwent RARP for clinically localized prostate cancer without neoadjuvant endocrine therapy. The pT2+category lesions were defined according to World Health Organization classification. The actuarial probabilities of biochemical recurrence-free survival (BCR-FS) were determined using Kaplan-Meier analysis. Univariate and multivariate Cox proportional hazards regression analyses were also used to identify independent predictors for BCR. RESULTS Of the 837 patients, 102 (12.2%) experienced BCR during the follow-up period. The BCR-FS rate was significantly higher in patients with pT2+category tumors than in those with pT3a category tumors, and significantly lower in patients with pT2+category tumors than that in those with pT2 category tumors without PSM. The BCR-FS rate of patients with pT2+category tumors was significantly higher than that with pT3a category tumors with PSM but not significantly different from that with pT3a category tumors without PSM. In a multivariate analysis, the pathological T category considering pT2+category was one of independent predictive factors for BCR. CONCLUSIONS This study support the hypothesis that the pT2+category disease is associated with a significantly increased risk of BCR in patients with organ-confined prostate cancer after RARP. As PSM can be avoided in some cases, urologists should continually seek to improve their operative skills and to reduce the rate of PSM, especially in patients with organ-confined prostate cancer.
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Affiliation(s)
| | | | | | - Rie Inoue
- Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan
| | - Ohno Yoshio
- Department of Urology, Tokyo Medical University, Tokyo, Japan
| | - Jun Nakashima
- Department of Urology, Tokyo Medical University, Tokyo, Japan
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Gondo T, Nakashima J, Inoue R, Hashimoto T, Ohno Y, Ohori M, Nagao T, Tachibana M. PD41-06 CLINICAL VALUE OF IMMUNOHISTOCHEMICALLY DETECTED LYMPHOVASCULAR INVASION IN TRANSURETHRAL BLADDER TUMOR RESECTION SPECIMEN FOR BLADDER CANCER STAGING BEFORE RADICAL CYSTECTOMY. J Urol 2015. [DOI: 10.1016/j.juro.2015.02.2414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tsubota-Utsugi M, Kikuya M, Satoh M, Inoue R, Hosaka M, Metoki H, Hirose T, Asayama K, Imai Y, Ohkubo T. Living situations associated with poor dietary intake among healthy Japanese elderly: the Ohasama Study. J Nutr Health Aging 2015; 19:375-82. [PMID: 25809800 DOI: 10.1007/s12603-015-0456-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Rapid increases in life expectancy have led to concurrent increases in the number of elderly people living alone or those forced to change living situations. Previous studies have found that poor dietary intake was common in elderly people living alone. However, there have been few studies about the dietary intake in elderly people living in other situations, particularly those living with family other than a spouse (nonspouse family), which is common in Japan. OBJECTIVE To examine the differences in dietary intake by different living situations in elderly Japanese people. We analyzed the data of 1542 healthy residents in the town of Ohasama aged 60 years and over who had completed self-administered questionnaires. METHODS The dietary intake was measured using a validated 141-item food frequency questionnaire. Multiple regression models with robust (White-corrected) standard errors were individually fitted for nutrients and foods by living situation. RESULTS In men, although the presence of other family was correlated with significantly lower intake of protein-related foods, e.g., legumes, fish and shellfish, and dairy products, these declines were more serious in men living with nonspouse family. Conversely, in men living alone the intake of fruits and vegetables was significantly lower. In women, lower intakes of fruit and protein-related foods were significantly more common in participants living with nonspouse family than those living with only a spouse. CONCLUSION These findings revealed that elderly people living alone as well as those living with family other than a spouse had poor dietary intake, suggesting that strategies to improve food choices and skills for food preparation could promote of healthy eating in elderly Japanese people.
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Affiliation(s)
- M Tsubota-Utsugi
- Megumi Tsubota-Utsugi. Center for International Collaboration and Partnership/Department of Nutritional Epidemiology, National Institute of Health and Nutrition, Toyama 1-23-1, Shinjyuku-ku, Tokyo 162-8636, Japan, Tel: +81-3-3203-5721, Fax: +81-3-3202-3278, E-mail:
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Ishikawa T, Kubota T, Abe S, Watanabe Y, Sugano T, Inoue R, Iwanaga A, Seki K, Honma T, Yoshida T. Hepatic arterial infusion chemotherapy with cisplatin before radical local treatment of early hepatocellular carcinoma (JIS score 0/1) improves survival. Ann Oncol 2014; 25:1379-1384. [PMID: 24737779 DOI: 10.1093/annonc/mdu155] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND It has not yet been determined whether hepatic arterial infusion (HAI) chemotherapy improves survival in patients with early hepatocellular carcinoma (HCC). We evaluated the effectiveness of HAI with high-concentration cisplatin (DDP-H) for the treatment of HCC by comparing outcomes between patients who received HAI with DDP-H before radical local treatment of early-stage HCC [Japan Integrated Staging (JIS) score 0/1] and patients who did not receive HAI chemotherapy. PATIENTS AND METHODS Survival was analyzed in 114 patients with early-stage HCC who underwent radical local treatment. The patients were divided into two groups: a HAI group (n = 79) who received DDP-H infusion into the whole liver via the proper hepatic artery, and a non-HAI group (n = 35) who did not receive HAI chemotherapy. RESULTS The cumulative survival rates at 1, 3, and 5 years were 77.4%, 69.2%, and 55.3% in the non-HAI group and 97.4%, 87.0%, and 84.4% in the HAI group, respectively. Survival time prolonged significantly in the HAI group compared with the non-HAI group (log-rank test: P = 0.023; generalized Wilcoxon test: P = 0.012) Multivariate analysis using the Cox proportional hazards model identified HAI with DDP-H as the most important factor affecting survival. CONCLUSIONS Whole-liver HAI with DDP-H before radical local treatment can improve the prognosis of patients with early-stage HCC.
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Affiliation(s)
- T Ishikawa
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan.
| | - T Kubota
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - S Abe
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - Y Watanabe
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - T Sugano
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - R Inoue
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - A Iwanaga
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - K Seki
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - T Honma
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
| | - T Yoshida
- Department of Gastroenterology and Hepatology, Saiseikai Niigata Daini Hospital, Niigata, Japan
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Inoue R, Hiraga F, Kiyanagi Y. Optimum design of a moderator system based on dose calculation for an accelerator driven Boron Neutron Capture Therapy. Appl Radiat Isot 2014; 88:225-8. [DOI: 10.1016/j.apradiso.2013.12.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 12/16/2013] [Accepted: 12/17/2013] [Indexed: 11/17/2022]
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Okubo H, Ohori M, Ohno Y, Nakashima J, Inoue R, Nagao T, Tachibana M. Prediction of non-biochemical recurrence rate after radical prostatectomy in a Japanese cohort: Development of a postoperative nomogram. Int J Urol 2013; 21:479-83. [DOI: 10.1111/iju.12327] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hidenori Okubo
- Department of Urology; Tokyo Medical University; Tokyo Japan
| | - Makoto Ohori
- Department of Urology; Tokyo Medical University; Tokyo Japan
| | - Yoshio Ohno
- Department of Urology; Tokyo Medical University; Tokyo Japan
| | - Jun Nakashima
- Department of Urology; Tokyo Medical University; Tokyo Japan
| | - Rie Inoue
- Department of Pathology; Tokyo Medical University; Tokyo Japan
| | - Toshitaka Nagao
- Department of Pathology; Tokyo Medical University; Tokyo Japan
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Inoue R, Toyama H, Ishikawa T, Eda T, Kuroda F, Saito K. Development of electronic progress tables for multidisciplinary medical education in a university. Stud Health Technol Inform 2013; 192:1046. [PMID: 23920820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In the education of medical professionals, imitation medical records and associated documents were developed as electronic teaching materials for students in order to teach collaboration among medical professionals such as nurses, therapists and medical social workers. The roles of each medical professional and the flow of clinical practice were taught using progress tables, including medical treatment, clinical examination, and the contents of care, so that the contents of medical examination were understood based on a time series. Students' understanding of the flow of medical practice was evaluated based on the amount of description in the table before and after explanation of the important points of the clinical process concerning each medical professional. The comments of students who received the lessons suggested that this approach was useful for understanding actual clinical practice and how to utilize a progress table and to prepare information.
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Affiliation(s)
- Rie Inoue
- Saiseikai Central Hospital, Tokyo, Japan
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Toyama H, Inoue R, Ito Y, Sakamoto C, Ishikawa T, Eda T, Saito K. Electronic teaching materials for inter-professional education in a college of medical professionals. Stud Health Technol Inform 2013; 192:1119. [PMID: 23920893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In order to promote the utilization of digital clinical information among medical professionals, an education program and electronic teaching materials involving fictitious model patients were developed for students in a health and welfare college. The purposes of this program were for students to learn the role of each medical professional and to understand the medical records written by each medical staff member in interdisciplinary medicine (a collaborative approach to medicine). The materials for fictitious patients, including medical records, study results, medical images and the associated documents, were stored in a database on a virtual private network. The electronic medical records were easily modified according to the specialty of the students in each class. Fictional medical records of patients with lacunar infarction, fracture of the distal radius, fracture of the femur, diabetes mellitus and breast cancer were generated and evaluated in inter-professional education classes.
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Affiliation(s)
- Hinako Toyama
- Division of Medical Information Analysts, International University of Health and Welfare, Graduate School, Tokyo, Japan
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Nakamura A, Tajima K, Zolzaya K, Sato K, Inoue R, Yoneda M, Fujita K, Nozaki Y, Kubota KC, Haga H, Kubota N, Nagashima Y, Nakajima A, Maeda S, Kadowaki T, Terauchi Y. Protection from non-alcoholic steatohepatitis and liver tumourigenesis in high fat-fed insulin receptor substrate-1-knockout mice despite insulin resistance. Diabetologia 2012; 55:3382-91. [PMID: 22955994 DOI: 10.1007/s00125-012-2703-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Accepted: 07/27/2012] [Indexed: 12/20/2022]
Abstract
AIMS/HYPOTHESIS Epidemiological studies have revealed that obesity and diabetes mellitus are independent risk factors for the development of non-alcoholic steatohepatitis (NASH) and hepatocellular carcinoma. However, the debate continues on whether insulin resistance as such is directly associated with NASH and liver tumourigenesis. Here, we investigated the incidence of NASH and liver tumourigenesis in Irs1 ( -/- ) mice subjected to a long-term high-fat (HF) diet. Our hypothesis was that hepatic steatosis, rather than insulin resistance may be related to the pathophysiology of these conditions. METHODS Mice (8 weeks old, C57Bl/6J) were given free access to standard chow (SC) or an HF diet. The development of NASH and liver tumourigenesis was evaluated after mice had been on the above-mentioned diets for 60 weeks. Similarly, Irs1 ( -/- ) mice were also subjected to an HF diet for 60 weeks. RESULTS Long-term HF diet loading, which causes obesity and insulin resistance, was sufficient to induce NASH and liver tumourigenesis in the C57Bl/6J mice. Obesity and insulin resistance were reduced by switching mice from the HF diet to SC, which also protected these mice against the development of NASH and liver tumourigenesis. However, compared with wild-type mice fed the HF diet, Irs1 ( -/- ) mice fed the HF diet were dramatically protected against NASH and liver tumourigenesis despite the presence of severe insulin resistance and marked postprandial hyperglycaemia. CONCLUSIONS/INTERPRETATION IRS-1 inhibition might protect against HF diet-induced NASH and liver tumourigenesis, despite the presence of insulin resistance.
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Affiliation(s)
- A Nakamura
- Department of Endocrinology and Metabolism, Graduate School of Medicine, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, Japan
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Nagao T, Sato E, Inoue R, Oshiro H, H. Takahashi R, Nagai T, Yoshida M, Suzuki F, Obikane H, Yamashina M, Matsubayashi J. Immunohistochemical analysis of salivary gland tumors: application for surgical pathology practice. Acta Histochem Cytochem 2012; 45:269-82. [PMID: 23209336 PMCID: PMC3496863 DOI: 10.1267/ahc.12019] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Accepted: 07/04/2012] [Indexed: 01/05/2023] Open
Abstract
Salivary gland tumors are relatively uncommon and there exists a considerable diagnostic difficulty owing to their diverse histological features in individual lesions and the presence of a number of types and variants, in addition to overlapping histological patterns similar to those observed in different tumor entities. The classification is complex, but is closely relevant to the prognostic and therapeutic aspects. Although hematoxylin-eosin staining is still the gold standard method used for the diagnosis, immunohistochemistry (IHC) can enhance the accuracy and be a helpful tool when in cases to investigate the subjects that cannot be assessed by histological examination, such as the cell nature and differentiation status, cell proliferation, and tumor protein expression. This review depicts on the practical diagnostic utility of IHC in salivary gland tumor pathology under the following issues: assessment of cell differentiation, focusing on neoplastic myoepithelial cells; discrimination of histologically mimic tumor groups; diagnosis of specific tumor types, e.g., pleomorphic adenoma, adenoid cystic carcinoma, and salivary duct carcinoma; and evaluation of malignancy and prognostic factors. IHC plays a limited, even though important, role in the diagnosis of salivary gland tumors, but is often useful to support the histological assessment. However, unfortunately few tumor type-specific markers are still currently available. For these reasons, IHC should be considered a method that can be used to assist the final diagnosis, and its results themselves do not directly indicate a definitive diagnosis.
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Affiliation(s)
- Toshitaka Nagao
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Eiichi Sato
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Rie Inoue
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Hisashi Oshiro
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Reisuke H. Takahashi
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Takeshi Nagai
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Maki Yoshida
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Fumie Suzuki
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Hiyo Obikane
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Mitsumasa Yamashina
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
| | - Jun Matsubayashi
- Department of Anatomic Pathology, Tokyo Medical University
- Department of Anatomic Pathology, Tokyo Medical University
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Satoh M, Kikuya M, Ohkubo T, Mori T, Metoki H, Hara A, Utsugi MT, Hashimoto T, Hirose T, Obara T, Inoue R, Asayama K, Kanno A, Totsune K, Hoshi H, Satoh H, Imai Y. Aldosterone-to-renin ratio as a predictor of stroke under conditions of high sodium intake: the Ohasama study. Am J Hypertens 2012; 25:777-83. [PMID: 22476023 DOI: 10.1038/ajh.2012.33] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Aldosterone is thought to have deleterious effects on the cardiovascular system. The aldosterone-to-renin ratio (ARR) is more reproducible than aldosterone levels alone and could be an index for inappropriate aldosterone secretion or activity. We previously reported the apparent relation between ARR and hypertension in subjects with high sodium intake. This prospective study investigated the risk of ARR for a first stroke in a general population stratified by sodium intake. METHODS We obtained plasma renin activity (PRA) and plasma aldosterone concentrations (PAC) for 883 participants aged ≥ 35 years not receiving antihypertensive treatment in the general population of Ohasama (mean age: 59.0 ± 11.3 years; 65.6% women). RESULTS Over a mean of 10.9 follow-up years, 45 strokes occurred. The median PRA, PAC, and ARR were 1.2 ng/ml/h, 6.4 ng/dl, and 5.3 ng/dl per ng/ml/h, respectively. Using Cox regression, we computed hazard ratios adjusted for sex, age, body mass index (BMI), and systolic blood pressure. No association between logARR and stroke was observed in subjects overall. However, in subjects with high sodium intake (≥ median of 4,058 mg/day (salt equivalent, 10.5 g/day)), each 1 s.d. increase in logARR was associated with an increased hazard ratio for stroke (hazard ratio: 1.49, P = 0.04). No significant association was observed in subjects with low sodium intake (P = 0.7). When we repeated all the analyses using logPRA or logPAC, no significant associations were found. CONCLUSION These results suggest that high ARR, that is, relative aldosterone excess, is a predictor for stroke under conditions of high sodium intake.
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Satoh M, Terata S, Kikuya M, Ohkubo T, Hashimoto T, Hara A, Hirose T, Obara T, Metoki H, Inoue R, Asayama K, Nakayama M, Kanno A, Totsune K, Hoshi H, Satoh H, Sato H, Imai Y, Palmer S, Germaine W, Iff S, Craig J, Mitchell P, Wang JJ, Strippoli G, Palmer S, Craig J, Navaneethan S, Tonelli M, Pellegrini F, Strippoli G, Stracke S, Ernst F, Robinson D, Schwahn C, John U, Felix SB, Volzke H, Mysula I, Gozhenko A, Susla O, Minutolo R, Gabbai FB, Agarwal R, Bellizzi V, Nappi F, Conte G, De Nicola L, Smith E, Tomlinson L, Ford M, Mcmahon L, Rajkumar C, Holt S, Lee S, Kim I, Lee D, Rhee H, Song S, Seong E, Kwak I, Redal-Baigorri B, Rasmusen K, Goya Heaf J, Sombolos K, Tsakiris D, John B, Vlahakos D, Siamopoulos K, Vargiemezis V, Nikolaidis P, Iatrou C, Dafnis E, Argyropoulos C, Xynos K, Ramona H, Jos D, Guido F, Patrick D, Dominique L, Begona MYK, Antoon DS, Marc VS, Hellberg M, Wiberg EM, Hoglund P, Simonsen O, Clyne N, Manfredini F, Manfredini F, Bolignano D, Rastelli S, Barilla A, Bertoli S, Ciurlino D, Messa P, Fabrizi F, Zuccala A, Rapana R, Fatuzzo P, Rapisarda F, Bonanno G, Lombardi L, De Paola L, Cupisti A, Fuiano G, Lucisano G, Tripepi G, Catizone L, Zoccali C, Mallamaci F, Ishigami T, Ishigami T, Yamamoto R, Nagasawa Y, Isaka Y, Konta T, Iseki K, Moriyama T, Yamagata K, Tsuruya K, Yoshida H, Fujimoto S, Asahi K, Watanabe T, Morales E, Gutierrez E, Forteza A, Bellot R, Sanchez V, Sanz MP, Evangelista A, Cortina J, Praga M, Hung CC, Yang ML, Hwang SJ, Chen HC, Saglimbene VM, Palmer S, Craig J, Pellegrini F, Vecchio M, Ruospo M, De Berardis G, Strippoli G, DI Iorio B, Bellasi A, Pota A, Russo L, Russo D, Nakano C, Nakano C, Hamano T, Fujii N, Obi Y, Matsui I, Mikami S, Inoue K, Shimomura A, Rakugi H, Isaka Y, Yen CY, Wang HH, Hung CC, Hwang SJ, Chen HC, Postorino M, Postorino M, Cutrupi S, Pizzini P, Marino C, D'arrigo G, Tripepi G, Zoccali C, Ghasemi H, Afshar R, Afshar R, Shabpirai H, Davati A, Zerafatjou N, Abdi S, Khorsand Askari M, Almeida E, Lavinas C, Teixeira C, Raimundo M, Nogueira C, Ferreira M, Sampaio A, Henriques I, Teixeira C, Gomes Da Costa A, Leal M, Ekart R, Hojs N, Pecovnik Balon B, Bevc S, Dvorsak B, Stropnik Galuf T, Hojs R, Lin WH, Guo CY, Wang WM, Yang DC, Kuo TH, Liu MF, Wang MC, Hara S, Tanaka K, Tsuji H, Ohmoto Y, Amaka K, Ubara Y, Arase K, Yilmaz MI, Solak Y, Saglam M, Yaman H, Unal HU, Gok M, Cetinkaya H, Biyik Z, Gaipov A, Caglar K, Tonbul HZ, Turk S, Wang HH, Yen CY, Hung CC, Hwang SJ, Chen HC, Krivoshiev S, Krivoshiev S, Koteva A, Kraev Z, Mihaylov G, Shikov P, David R, Jeffrey J, Andrew S, Michael R, Charmot D, Fouda R, Abdelhamid Y, Alsayed D, Salah S, Belal D, Salem M, Ahmed H, Vecchio M, Palmer S, Saglimbene VM, Ruospo M, Gargano L, Pellegrini F, Strippoli G, Tisljar M, Horvatic I, Bozic B, Crnjakovic Palmovic J, Bacalja J, Bulimbasic S, Galesic Ljubanovic D, Galesic K, Choi JS, Kim CS, Park JW, Bae EH, MA SK, Kim SW, Choi JS, Kim CS, Park JW, Bae EH, MA SK, Kim SW. Clinical Nephrology - Epidemiology I. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yajima T, Inoue R, Yajima M, Tsuruta T, Karaki S, Hira T, Kuwahara A. The G-protein on cholesterol-rich membrane microdomains mediates mucosal sensing of short- chain fatty acid and secretory response in rat colon. Acta Physiol (Oxf) 2011; 203:381-9. [PMID: 21649864 DOI: 10.1111/j.1748-1716.2011.02331.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
AIM Short-chain fatty acids (SCFA) stimulate colonic contraction and secretion, which are mediated by an enteric reflex via a mucosal sensing and cholinergic mechanisms. The involvement of G-protein signal transduction was examined in the secretory response to luminal propionate sensing in rat distal colon. METHODS Mucosa-submucosa and mucosa preparations were used to measure short-circuit current (I(sc)) and acetylcholine (ACh) release respectively. Cholesterol-rich membrane microdomains, lipid rafts/caveolae, were fractionated using a sucrose gradient ultra-centrifugation after detergent-free extraction of the isolated colonic crypt. RESULTS Luminal addition of methyl-β-cyclodextrin (10 mm) and mastoparan (30 μm), lipid rafts/caveolae disruptors, significantly inhibited luminal propionate-induced (0.5 mm) increases in I(sc) , but did not affect increases in I(sc) induced by serosal ACh (0.05 mm) or electrical field stimulation (EFS). Luminal addition of YM-254890 (10 μm), a Gα(q/11) -selective inhibitor, markedly inhibited propionate-induced increase in I(sc) , but did not affect I(sc) responses to ACh and EFS. Both methyl-β-cyclodextrin and YM-254890 significantly inhibited luminal propionate-induced non-neuronal release of ACh from colonocytes. Real-time PCR demonstrated that in mRNA expression of SCFA receptors, GPR 43 was far higher than that of GPR41 in the colon. Western blotting analysis revealed that the cholesterol-rich membrane microdomains that fractionated from colonic crypt cells were associated with caveolin-1, flotillin-1 and Gα(q/11) , but not GPR43. Uncoupling of Gα(q/11) from flotillin-1 in lipid rafts occurred under desensitization of the I(sc) response to propionate. CONCLUSIONS These data demonstrate that the secretory response to luminal propionate in rat colon is mediated by G-protein on cholesterol-rich membrane microdomains, provably via Gα(q/11) .
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Affiliation(s)
- T Yajima
- Meiji Dairies Research Chair, Creative Research Institution, Hokkaido University, Sapporo, Japan.
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Sasakura H, Kuramitsu S, Hayashi Y, Tanaka K, Akazaki T, Hanamura E, Inoue R, Takayanagi H, Asano Y, Hermannstädter C, Kumano H, Suemune I. Enhanced photon generation in a Nb/n-InGaAs/p-InP superconductor/semiconductor-diode light emitting device. Phys Rev Lett 2011; 107:157403. [PMID: 22107319 DOI: 10.1103/physrevlett.107.157403] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Revised: 08/23/2010] [Indexed: 05/31/2023]
Abstract
We experimentally demonstrate Cooper pairs' drastic enhancement of the band-to-band radiative recombination rate in a semiconductor. Electron Cooper pairs injected from a superconducting electrode into an active layer by the proximity effect recombine with holes injected from a p-type electrode. The recombination of a Cooper pair with p-type carriers dramatically increases the photon generation probability of a light-emitting diode in the optical-fiber communication band. The measured radiative decay time rapidly decreases with decreasing temperature below the superconducting transition temperature of the niobium electrodes. Our results indicate the possibility to open up new interdisciplinary fields between superconductivity and optoelectronics.
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Affiliation(s)
- H Sasakura
- Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan.
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Nagao K, Yamamoto Y, Hara T, Komatsu H, Inoue R, Matsuda K, Matsumoto H, Hara T, Sakano S, Baba Y, Matsuyama H. Ki67 and BUBR1 May Discriminate Clinically Insignificant Prostate Cancer in the PSA Range <4 ng/ml. Jpn J Clin Oncol 2011; 41:555-64. [DOI: 10.1093/jjco/hyq233] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Inoue R, Ishibashi Y, Tsuda E, Yamamoto Y, Matsuzaka M, Takahashi I, Danjo K, Umeda T, Nakaji S, Toh S. Knee osteoarthritis, knee joint pain and aging in relation to increasing serum hyaluronan level in the Japanese population. Osteoarthritis Cartilage 2011; 19:51-7. [PMID: 21044694 DOI: 10.1016/j.joca.2010.10.021] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2010] [Revised: 10/19/2010] [Accepted: 10/26/2010] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate relationship between serum hyaluronan (HA) level and the presence and severity of radiographic knee osteoarthritis (OA) as well as degree of knee pain in Japanese population. DESIGN A total of 616 volunteers participated in this study. Based on the Kellgren-Lawrence (K-L) grade, participants were radiographically classified into three groups: Normal (K-L grade 0 or 1), Moderate (grade 2) and Severe (grade 3 or 4). The degree of knee pain was quantified by visual analogue scale (VAS) and Knee injury and Osteoarthritis Outcome Score (KOOS) Pain. Serum HA levels were compared among the Normal, Moderate and Severe groups, and the relationship between serum HA level and the severity of knee OA was analyzed after age, sex and body mass index (BMI) were adjusted. In addition, the correlation between serum HA level and the degree of knee pain was analyzed in each group. RESULTS Regarding relationship between serum HA level and the severity of radiographic knee OA, serum HA levels of the Moderate and Severe groups were significantly higher than in the Normal group (P<0.001). Furthermore, serum HA level correlated with the severity of radiographic knee OA (r=0.289, P<0.001) after adjusting for age, sex and BMI. Serum HA level correlated with VAS of knee pain and/or KOOS Pain in the Normal and Moderate groups. CONCLUSION Serum HA level has the potential to be useful for the diagnosis of the presence and severity of knee OA.
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Affiliation(s)
- R Inoue
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
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Hashimoto T, Hara A, Ohkubo T, Kikuya M, Shintani Y, Metoki H, Inoue R, Asayama K, Kanno A, Nakashita M, Terata S, Obara T, Hirose T, Hoshi H, Totsune K, Satoh H, Imai Y. Serum magnesium, ambulatory blood pressure, and carotid artery alteration: the Ohasama study. Am J Hypertens 2010; 23:1292-8. [PMID: 20706194 DOI: 10.1038/ajh.2010.168] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND To investigate the associations of 24-h ambulatory blood pressure (ABP) and serum magnesium level (sMg) with risk of carotid artery alteration in a general population. METHODS sMg and ABP, monitored every 30 min, were measured in 728 subjects (mean age, 67 years) from the Japanese general population. The extent of carotid artery alteration was evaluated according to mean common carotid intima-media thickness (IMT) and the presence of focal carotid plaque. To determine the association of sMg and carotid artery alteration, analysis of covariance (ANCOVA) (for adjusted mean IMT) or multiple logistic regression analysis (for odds ratio (OR) for the presence of carotid plaques) was used. RESULTS Lower sMg was significantly associated with mean IMT (P = 0.004) and risk of ≥2 carotid plaques (P = 0.03) after adjusting for possible confounding factors, including 24-h ABP (systolic), creatinine clearance (Ccr) (estimated using the Cockcroft-Gault equation), and serum minerals (sodium, potassium, calcium, and inorganic phosphorus). Even when 24-h ABP values were within normal range (<130/80 mm Hg), lower sMg levels (<2.2 mg/dl) were significantly associated with mean IMT (P = 0.007) and risk of ≥2 carotid plaques (OR, 2.14; 95% confidence interval, 1.18-3.85; P = 0.01). CONCLUSIONS Both 24-h ABP and lower sMg were closely and independently associated with risk of carotid artery alteration. Further investigations are needed to examine the relationship between sMg levels and the incidence of cardiovascular disease.
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Kirino E, Fukuta M, Inami R, Inoue R, Arai H. S29-5 Simultaneous EEG-fMRI recording of MMN in schizophrenia. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60190-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Inoue R, Nakazawa A, Tsukada N, Katoh Y, Nagao T, Nakanuma Y, Mukai K. POEMS syndrome with idiopathic portal hypertension: Autopsy case and review of the literature. Pathol Int 2010; 60:316-20. [DOI: 10.1111/j.1440-1827.2009.02513.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Hashimoto T, Hara A, Ohkubo T, Kikuya M, Shintani Y, Metoki H, Inoue R, Asayama K, Kanno A, Nakashita M, Obara T, Totsune K, Hoshi H, Sato H, Imai Y. Serum magnesium, ambulatory blood pressure, and the prevalence of carotid artery alteration: The Ohasama study. Int J Cardiol 2009. [DOI: 10.1016/j.ijcard.2009.09.499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Inoue R, Yonehara T, Miyamoto Y, Koashi M, Kozuma M. Measuring qutrit-qutrit entanglement of orbital angular momentum states of an atomic ensemble and a photon. Phys Rev Lett 2009; 103:110503. [PMID: 19792358 DOI: 10.1103/physrevlett.103.110503] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2009] [Indexed: 05/14/2023]
Abstract
Three-dimensional entanglement of orbital angular momentum states of an atomic qutrit and a single photon qutrit has been observed. Their full state was reconstructed using quantum state tomography. The fidelity to the maximally entangled state of Schmidt rank 3 exceeds the threshold 2/3. This result confirms that the density matrix cannot be decomposed into an ensemble of pure states of Schmidt rank 1 or 2. That is, the Schmidt number of the density matrix must be equal to or greater than 3.
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Affiliation(s)
- R Inoue
- Department of Physics, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8550, Japan.
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Inoue R, Kanaya T, Nishida K, Tsukushi I, Telling MTF, Gabrys BJ, Tyagi M, Soles C, Wu WL. Glass transition and molecular mobility in polymer thin films. Phys Rev E Stat Nonlin Soft Matter Phys 2009; 80:031802. [PMID: 19905138 DOI: 10.1103/physreve.80.031802] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Indexed: 05/28/2023]
Abstract
Extensive studies on polymer thin films to date have revealed their interesting but unusual properties such as film thickness dependence of glass transition temperature Tg and thermal expansivity. Recent studies have shown that the lower Tg is not always related to the higher mobility in polymer thin films, which contradicts our current understanding of the glass transition process. In this work, we report the results of inelastic neutron-scattering measurements on polystyrene thin films using two spectrometers with different energy resolutions as well as ellipsometry measurements. The results are interpreted in terms of cooperatively rearranging region and motional slowing down due to the surface effect that explain plausibly the anomalous relationship between the glass transition temperature Tg and the molecular mobility in thin films.
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Affiliation(s)
- R Inoue
- Institute for Chemical Research, Kyoto University, Uji, Kyoto-fu 611-0011, Japan
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Kawashima K, Inoue R, Kanaya T, Matsuba G, Nishida K, Hino M. Distribution of glass transition temperatureTgin a polymer thin film by neutron reflectivity. ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1742-6596/184/1/012004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Sugawara G, Inoue R, Watanabe K, Ohtsuka H, Orino K. Short communication: Bovine α-casein is a ferritin-binding protein and inhibitory factor of milk ferritin immunoassay. J Dairy Sci 2009; 92:3810-4. [DOI: 10.3168/jds.2008-1948] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Hatae J, Takami N, Lin H, Honda A, Inoue R. 17beta-Estradiol-induced enhancement of estrogen receptor biosynthesis via MAPK pathway in mouse skeletal muscle myoblasts. J Physiol Sci 2009; 59:181-90. [PMID: 19340542 PMCID: PMC10717592 DOI: 10.1007/s12576-009-0023-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2008] [Accepted: 01/22/2009] [Indexed: 10/20/2022]
Abstract
The skeletal muscle is one of the important target tissues for the actions of estrogen via both nuclear and extranuclear (non-genomic) pathways. However, there is a paucity of information about the receptor (ER) involved. The aim of this study was thus to explore the ER expression in skeletal muscle, and the influence of estrogen on it, by using C2C12 myoblasts derived from mouse skeletal muscle. Significant expression of a approximately 66-kD protein immunoreactive to ER type alpha (ERalpha) monoclonal antibody, which was comparable to that in ovary, was detected in the whole-cell (total) and nucleus-free (nonnuclear) fractions of C2C12 myoblasts. The expression level of these ER proteins increased in several hours with treatment with 17beta-estradiol (E2), which was preceded by the elevation of the ER mRNA level. This increase appeared to reflect the acceleration of de novo synthesis of ER protein, as proved by the (35)S-methionine immunoprecipitation method. A similar extent of fast increase in ER expression was also induced by a membrane-impermeable, BSA-conjugated estradiol (E2-BSA). Unexpectedly, the E2-induced increases in total and nonnuclear ER were further enhanced by the classic ER antagonists tamoxifen and ICI182,780 in a wide concentration range, implying some structural difference of the involved ER from the classical one. Treatment with the ERK1/2 inhibitor, PD98059 (10 microM), or the p38 MAPK-specific inhibitor, SB203580 (10 microM), greatly inhibited the E2-induced ER increase, while the protein kinase C (PKC) activator TPA (1 microM) enhanced it. These results collectively suggest that C2C12 skeletal myoblasts express a high level of ER, a considerable part of which is extranuclear. Further, the expression of ER in these cells may be significantly upregulated by estrogen itself via increased biosynthesis linked to membrane-bound ER and downstream MAPK-mediated signaling pathways.
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Affiliation(s)
- J Hatae
- Department of Physiology, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan.
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Suzuki K, Okamoto M, Suzuki M, Sano H, Hara Y, Inoue R, Onuma S, Kamijo T, Ino T. A study on the application of “the questionnaire on hearing 2002” as a tool for subjective validation of hearing aid fitting. ACTA ACUST UNITED AC 2009. [DOI: 10.4295/audiology.52.588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Sato A, Asayama K, Ohkubo T, Kikuya M, Obara T, Metoki H, Inoue R, Hara A, Hoshi H, Hashimoto J, Totsune K, Satoh H, Oka Y, Imai Y. Optimal cutoff point of waist circumference and use of home blood pressure as a definition of metabolic syndrome: the Ohasama study. Am J Hypertens 2008; 21:514-20. [PMID: 18437142 DOI: 10.1038/ajh.2007.88] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Self-measured blood pressure (BP) at home (HBP) has a stronger predictive power for cardiovascular mortality and morbidity than casual-screening BP (CBP). No studies have evaluated the clinical significance of self-measured HBP for diagnosing metabolic syndrome (MS). Eight scientific associations recently defined MS for the Japanese population. However, this definition remains controversial, especially with respect to the cutoff value of waist circumference (WC) being higher in women than in men. METHODS The: participants of this population-based survey were the 395 residents (> or =35 years of age) of Ohasama, a rural Japanese community. They measured HBP and underwent the oral glucose tolerance test between the years 2000 and 2006. We calculated the optimal cutoff values of WC required to diagnose MS, and examined the association of HBP with metabolic risk-factor clustering using multivariate analyses. RESULTS Receiver operation characteristic analysis indicated that the optimal WC cutoff values for identifying clusters of metabolic risk factors were 87 and 80 cm in men and women, respectively. Elevated HBP was significantly associated with the clustering of metabolic risk factors but CBP was not. CONCLUSION The appropriate WC cutoff value in the current MS criteria for Japanese women would be 80 cm. We suggest that HBP would be useful when considering a diagnosis of MS. The association between MS determined using HBP and the prognosis of cardiovascular diseases (CVDs) requires further investigation.
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Yamada K, Kawano M, Inoue R, Hamano R, Kakuchi Y, Fujii H, Matsumura M, Zen Y, Takahira M, Yachie A, Yamagishi M. Clonal relationship between infiltrating immunoglobulin G4 (IgG4)-positive plasma cells in lacrimal glands and circulating IgG4-positive lymphocytes in Mikulicz's disease. Clin Exp Immunol 2008; 152:432-9. [PMID: 18422733 DOI: 10.1111/j.1365-2249.2008.03651.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Mikulicz's disease (MD) is gaining acceptance as an immunoglobulin G4 (IgG4)-related disease characterized by bilateral lacrimal and salivary gland swelling. The aetiology of MD and other IgG4-related diseases is still unclear. The present work was performed to study the clonality of infiltrating IgG4-positive plasma cells in lacrimal glands and circulating peripheral blood cells in patients with MD, and compare the clonal relationship between infiltrating and circulating IgG4 positive cells. Total cellular RNA was extracted from the lacrimal glands and peripheral blood in five MD patients. Reverse transcription polymerase chain reaction was performed with primers specific for activation-induced cytidine deaminase (AID) and for Ig VH and IgG4. Sequences of Ig VH were compared with the structure of Ig VH of the lacrimal glands and the peripheral blood cells. AID was expressed to varying degrees in lacrimal glands of all MD patients. Most IgG4-positive cells infiltrating lacrimal glands and in peripheral blood were polyclonal, although several clonally related pairs were detected. In one patient, two of the circulating IgG4 VH4-59 clones shared identical CDR3 sequences with the clones within the lacrimal glands. In conclusion, while most tissue-infiltrating and circulating IgG4-positive cells in MD are polyclonal, some clonally related IgG4 positive cells exist between lacrimal gland and peripheral blood, accounting for the clinical features of MD as an IgG4-related disease involving multiple organs.
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Affiliation(s)
- K Yamada
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
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